assertEquals(1, extensions.size());
ScalingType scaling = (ScalingType) extensions.get(Scaling.NAMESPACE + ":Scaling");
ScaleToExtentType ste = scaling.getScaleToExtent();
assertEquals(2, ste.getTargetAxisExtent().size());
TargetAxisExtentType tax = ste.getTargetAxisExtent().get(0);
assertEquals("http://www.opengis.net/def/axis/OGC/1/i", tax.getAxis());
assertEquals(10.0, tax.getLow(), 0d);
assertEquals(20.0, tax.getHigh(), 0d);
tax = ste.getTargetAxisExtent().get(1);
assertEquals("http://www.opengis.net/def/axis/OGC/1/j", tax.getAxis());
assertEquals(20.0, tax.getLow(), 0d);
assertEquals(30.0, tax.getHigh(), 0d);
}